Border.ColorIndex Property (Excel)
Returns or sets a Variant value that represents the color of the border.
Syntax
expression .ColorIndex
expression A variable that represents a Border object.
Remarks
The color is specified as an index value into the current color palette, or as one of the following XlColorIndex constants:
xlColorIndexAutomatic
xlColorIndexNone
Example
This example sets the color of the major gridlines for the value axis in Chart1.
With Charts("Chart1").Axes(xlValue)
If .HasMajorGridlines Then
.MajorGridlines.Border.ColorIndex = 5 'set color to blue
End If
End With